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Cell wheel

A wheel shaft, a separate technology, applied in the direction of engine components, machines/engines, charging systems, etc., can solve the problems of unit wheel stress deformation, inner ring and outer ring cannot expand radially, etc.

Inactive Publication Date: 2019-03-05
乔治费歇尔金属成型科技股份公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the ring is connected to the bearing journal in a fixed manner, or the inner ring is integrally formed with the outer ring, this has the disadvantage that the inner and outer rings cannot expand radially when the temperature increases
In the case of uneven heating and cooling, this leads to stress and deformation of the unit wheel

Method used

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  • Cell wheel
  • Cell wheel

Examples

Experimental program
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Effect test

Embodiment Construction

[0037] figure 1 A longitudinal section through a unit wheel 1 according to the invention is shown. The outer sleeve 2 and the inner sleeve 3 extend coaxially with the center line 5 of the axle 4 by means of which the unit wheel 1 is driven (eg in a pressure wave supercharger). The blades 6 extend in the radial direction between the inner sleeve 3 and the outer sleeve 2, dividing the unit wheel 1 into units, which are easily obtained from figure 2 See. In the depicted embodiment the blades 6 are shown curved at their ends, but straight blades could of course also be used. The blades may also have a curved or curved shape. The vanes 6 are separately formed components arranged between the outer diameter of the inner sleeve 3 and the inner diameter of the outer sleeve 2 . The fixing of the blades 6 must be adapted to the requirements, ie the blades 6 can be mounted between the sleeves by inserting, welding, gluing or in some other way, but can also be manufactured as joint pa...

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PUM

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Abstract

A cell wheel of a pressure wave supercharger includes an outer sleeve, an inner sleeve, and an axle having a center line around which the inner sleeve and the outer sleeve are coaxially arranged. Thecell wheel further includes blades that extend around the outside diameter of the inner sleeve and that are arranged between the inner sleeve and the outer sleeve and end discs arranged at ends in theinner sleeve and connected rigidly to the axle in a circumferential direction. The end discs are designed as separate parts and are connected rigidly to the inner sleeve in the circumferential direction. The end discs and the inner sleeve are configured to be moved relative to one another in a radial direction.

Description

technical field [0001] The invention relates to a unit wheel of a pressure wave supercharger, which comprises: an outer sleeve; an inner sleeve; a wheel shaft, wherein the wheel shaft has a center line, and the inner sleeve and the outer sleeve are coaxially arranged around the center line; blades , wherein the blades extend around the outer diameter of the inner sleeve and are arranged between the inner sleeve and the outer sleeve; and an end disc, wherein the end disc is arranged at the end of the inner sleeve and is rigidly connected in the circumferential direction to the axle. Background technique [0002] In developing new vehicle engines, it is now important to reduce fuel consumption and exhaust emissions, but not necessarily to accept a power loss. The aim is to keep the power of the engine high even with reduced swept volume by boosting the engine by means of a pressure wave supercharger. [0003] The rotor of the pressure wave supercharger is designed as a unit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B33/42F04F13/00
CPCF02B33/42F04F13/00F02M35/10373
Inventor D.维尔德
Owner 乔治费歇尔金属成型科技股份公司